Patents by Inventor Yoo-Jin Ghang

Yoo-Jin Ghang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • COATING COMPOSITION FOR PHOTORESIST UNDERLAYER
    Publication number: 20210200093
    Abstract: A coating composition comprising a crosslinkable polyester polymer comprising an isocyanurate group and a crosslinkable group; a crosslinker; and an acid catalyst, wherein at least one of the crosslinkable polyester polymer and the crosslinker comprises an iodine-containing polymer.
    Type: Application
    Filed: December 30, 2020
    Publication date: July 1, 2021
    Inventors: Jin Hong Park, Yoo-Jin Ghang, Suwoong Kim, You Rim Shin, Jung June Lee, Jae Hwan Sim
  • COATING COMPOSITION FOR FORMING RESIST UNDERLAYER FILM FOR EUV LITHOGRAPHY PROCESS
    Publication number: 20200133126
    Abstract: A monomer represented by Chemical Formula (1): wherein, X, Y, and Z are the same as described in the specification, and the polymer including repeat units derived from the monomer.
    Type: Application
    Filed: October 31, 2018
    Publication date: April 30, 2020
    Inventors: Jae Hwan Sim, Suwoong Kim, Jin Hong Park, Myung Yeol Kim, Yoo-Jin Ghang, Jae-Bong Lim